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參數(shù)資料
| 型號： | KSZ8995MI |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 51/76頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH 5-PORT 10/100 128PQFP |
| 標準包裝： | 66 |
| 系列： | * |
| 類型： | * |
| 應(yīng)用： | * |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 128-BFQFP |
| 供應(yīng)商設(shè)備封裝： | 128-PQFP（14x20） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 1081 (CN2011-ZH PDF) |
| 其它名稱： | 576-2127 KSZ8995MI-ND |
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June 2009
55
M9999-062309
KS8995M
Micrel, Inc.
Address
Name
Description
Mode
Default
Format of Static VLAN Table (16 entries)
21
Valid
1, the entry is valid
R/W
1
0, entry is invalid
20-16
Membership
Specify which ports are members of the VLAN.
R/W
11111
If a DA look-up fails (no match in both static and
dynamic tables), the packet associated with this VLAN
will be forwarded to ports specified in this field.
Eg. 11001 means port 5,4, and 1 are in this VLAN.
15-12
FID
Filter ID. KS8995M supports 16 active VLANs
R/W
0
represented by these four bit fields. FID is the mapped
ID. If 802.1q VLAN is enabled, the look-up will be based
on FID+DA and FID+SA.
11-0
VID
EEE 802.1q 12 bit VLAN ID
R/W
1
Table 13. VLAN Table
VLAN Address
VLAN table is used to do VLAN table look-up. If 802.1q VLAN mode is enabled (Register 5 bit 7 =1), this table will be used
to retrieve VLAN information that the ingress packet is associated with. The information includes FID (fiter ID), VID(VLAN ID),
VLAN membership described below:
If 802.1q VLAN mode is enabled, KS8995M will assign a VID to every ingress packet. If the packet is untagged or tagged with
a null VID, the packet is assigned with the default port VID of the ingress port. If the packet is tagged with non null VID, the
VID in the tag will be used. The look-up process will start from the VLAN table look-up. If the VID is not valid, the packet will
be dropped and no address learning will take place. If the VID is valid, the FID is retrieved. The FID+DA and FID+SA lookups
are performed. The FID+DA look-up determines the forwarding ports. If FID+DA fails, the packet will be broadcasted to all the
members (excluding the ingress port) of the VLAN. If FID+SA fails, the FID+SA will be learned.
Examples:
(1) VLAN Table Read (read the 3rd entry)
Write to reg110 with 0x14 (read VLAN table selected)
Write to reg111 with 0x2 (trigger the read operation)
Then
Read reg118 (VLAN table bits 21-16)
Read reg119 (VLAN table bits 15-8)
Read reg120 (VLAN table bits 7-0)
(2) VLAN Table Write (write the 7th entry)
Write to reg118 (VLAN table bits 21-16)
Write to reg119 (VLAN table bits 15-8)
Write to reg120 (VLAN table bits 7-0)
Write to reg110 with 0x04 (write VLAN table selected)
Write to reg111 with 0x6 (trigger the write operation)
Note:
The sequence of the writing entries should start from entry 0. Improper sequence of the VLAN entries could cause the VLAN
to be nonfunctional.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| KSZ8995MIA4 | 功能描述:IC SWITCH 5-PORT 10/100 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝 |
| KSZ8995X | 功能描述:以太網(wǎng) IC 5 Port 10/100 Switch with PHY and Frame Buffers, Lead free RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8995XA | 功能描述:以太網(wǎng) IC 5 Port 10/100 Switch with PHY and Frame Buffers (Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8995XA4 | 功能描述:IC SWITCH 5-PORT 10/100 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝 |
| KSZ8995XAB3 | 功能描述:IC SWITCH 5-PORT 10/100 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝 |
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